| Acmispon strigosus | | B | strigose trefoil |
| Agoseris heterophylla var. cryptopleura | | B | |
| Agoseris heterophylla var. unknown | Agoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars. | B? | annual agoseris |
| Allophyllum gilioides subsp. violaceum | (ssp. gilioides is more common | B | straggling gilia |
| Alopecurus saccatus | | B | Howell's meadow foxtail |
| Amaranthus californicus | | B | Californian amaranth |
| Anemopsis californica | | B | yerba mansa, lizard tail |
| Anisocarpus madioides | (formerly Madia m.) | B | woodland tarweed, woodland madia |
| Aphyllon vallicola | | B | California broom-rape |
| Apocynum cannabinum | | B | dogbane, Indian-hemp |
| Arbutus menziesii | | B | Pacific madrone |
| Arctostaphylos glandulosa subsp. glandulosa | | B | Eastwood manzanita |
| Arnica discoidea | | B | rayless arnica |
| Asarum caudatum | | B | wild-ginger |
| Asclepias speciosa | (A. californica is more common | B | showy milkweed, milkweed |
| Atriplex argentea var. expansa | | B | silverscale |
| Atriplex fruticulosa | | B | ballscale, little oak orach, ball saltbush |
| Atriplex leucophylla | | B | beach saltbush |
| Balsamorhiza deltoidea | | B | deltoid balsamroot |
| Bidens frondosa | | B | sticktight |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | B | big tarplant |
| Boechera breweri subsp. breweri | (formerly Arabis breweri) | B | Brewer's rockcress |
| Brodiaea terrestris subsp. terrestris | | B | dwarf brodiaea |
| Calamagrostis rubescens | | B | pine reed grass, pine grass |
| California macrophylla | (formerly Erodium macrophyllum | B | round-leaved filaree |
| Calystegia sepium subsp. limnophila | | B | hedge bindweed |
| Camissoniopsis hirtella | | B | small primrose |
| Carex densa | | B | dense sedge |
| Carex globosa | | B | round-fruited sedge |
| Carex harfordii | | B | Harford's sedge, Monterey sedge |
| Carex nebrascensis | | B | Nebraska sedge |
| Carex nudata | | B | torrent sedge |
| Carex obnupta | | B | slough sedge |
| Carex subbracteata | | B | small-bracted sedge |
| Castilleja rubicundula subsp. lithospermoides | | B | cream sacs |
| Castilleja wightii | | B | Wight's indian paintbrush |
| Ceanothus thyrsiflorus var. thyrsiflorus | | B | blue blossom, California lilac |
| Cirsium brevistylum | | B | indian thistle |
| Claytonia gypsophiloides | | B | coast range montia |
| Collinsia parviflora | | B | blue-eyed Mary |
| Cordylanthus pilosus subsp. pilosus | | B | hairy bird's-beak |
| Crassula aquatica | | B | water pygmy-weed |
| Crocanthemum scoparium var. vulgare | (formerly Helianthemum scoparium var. vulgare) | B | peak rush-rose |
| Cryptantha clevelandii var. florosa | | B | Cleveland's cryptantha |
| Cryptantha torreyana var. pumila | | B | Torrey's cryptantha |
| Cyperus erythrorhizos | | B | red-rooted cyperus |
| Delphinium californicum subsp. californicum | | B | coast larkspur, California larkspur |
| Delphinium hesperium subsp. hesperium | | B | western larkspur |
| Deschampsia cespitosa subsp. holciformis | | B | tufted hairgrass |
| Downingia pulchella | | B | flat-faced downingia |
| Dudleya cymosa subsp. paniculata | | B | spreading dudleya |
| Ehrendorferia chrysantha | (formerly Dicentra chrysantha) | B | golden ear-drops |
| Eleocharis acicularis var. acicularis | | B | needle spike-rush |
| Elymus elymoides var. elymoides | | B | squirreltail |
| Elymus xhansenii | | B | Hansen squirreltail |
| Epilobium campestre | | B | smooth boisduvalia |
| Ericameria arborescens | | B | golden-fleece |
| Erigeron petrophilus var. petrophilus | | B | rock daisy |
| Eriogonum angulosum | | B | angle-stem wild buckwheat, angle-stemmed eriogonum |
| Euphorbia ocellata subsp. ocellata | | B | valley spurge |
| Forestiera pubescens | | B | desert olive |
| Frangula californica subsp. tomentella | (formerly Rhamnus t.) | B | hoary coffeeberry |
| Fraxinus dipetala | | B | California ash, flowering ash |
| Fraxinus latifolia | | B | Oregon ash |
| Garrya elliptica | | B | silk tassel bush |
| Gilia tricolor subsp. diffusa | | B | birds-eye gilia |
| Gilia tricolor subsp. unknown | | B? | birds-eye gilia |
| Githopsis specularioides | | B | common bluecup |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | B | little pectocarya |
| Helianthus gracilentus | | B | slender sunflower |
| Hemizonia congesta subsp. lutescens | | B | hayfield tarweed |
| Hesperolinon californicum | | B | California dwarf flax |
| Hoita macrostachya | | B | California hemp |
| Holocarpha obconica | | B | San Joaquin tarplant |
| Hordeum depressum | | B | low barley, alkali barley |
| Horkelia californica var. frondosa | | B | leafy horkelia |
| Hydrocotyle verticillata | | B | whorled marsh pennywort |
| Iris douglasiana | | B | Douglas iris |
| Juncus phaeocephalus var. paniculatus | | B | panicled rush, brown-headed rush |
| Juncus phaeocephalus var. phaeocephalus | | B | brownheaded rush |
| Lasthenia glaberrima | | B | smooth goldfields |
| Lathyrus jepsonii var. californicus | | B | buff pea |
| Layia platyglossa | | B | tidy-tips |
| Lepidium dictyotum | | B | alkali pepper-grass |
| Lepidium latipes | | B | dwarf peppergrass |
| Leptosiphon parviflorus | (formerly Linanthus p.) | B | small-flowered linanthus, small-flowered leptosiphon |
| Leptosiphon pygmaeus subsp. continentalis | (formerly Linanthus p. ssp. c. | B | pygmy linanthus, pygmy leptosiphon |
| Lithophragma parviflorum var. parviflorum | | B | prairie star |
| Lomatium caruifolium var. caruifolium | | B | caraway-leaved lomatium |
| Lupinus pachylobus | | B | big pod lupine |
| Lythrum californicum | | B | California loosestrife |
| Marah oregana | | B | coast man-root |
| Mentha canadensis | | B | American cornmint, Japanese peppermint |
| Mentzelia affinis | | B | hydra stick-leaf |
| Mentzelia lindleyi | | B | Lindley's blazing star |
| Mimetanthe pilosa | (formerly Mimulus pilosus) | B | downy monkeyflower |
| Monolopia major | | B | cupped monolopia |
| Morella californica | (formerly Myrica c.) | B | wax myrtle |
| Muilla maritima | | B | common muilla |
| Myriopteris intertexta | | B | coastal lip fern |
| Nemophila parviflora var. parviflora | | B | small-flowered nemophila |
| Nemophila pedunculata | | B | meadow nemophila |
| Nicotiana quadrivalvis | | B | indian tobacco |
| Oenothera elata subsp. hookeri | | B | evening-primrose |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | B | hairy wood-sorrel |
| Papaver californicum | | B | fire poppy |
| Penstemon centranthifolius | | B | scarlet bugler |
| Penstemon heterophyllus var. heterophyllus | | B | chaparral penstemon |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | B | willow weed |
| Phacelia breweri | | B | Brewer's phacelia |
| Phacelia ciliata | | B | Great Valley phacelia, Great Valley phacelia |
| Phacelia divaricata | | B | divaricate phacelia |
| Phacelia ramosissima | | B | branching phacelia |
| Phacelia rattanii | | B | Rattan's phacelia |
| Phacelia tanacetifolia | | B | tansy phacelia |
| Pinus coulteri | | B | Coulter pine |
| Piperia transversa | | B | flat spurred piperia, transverse piperia |
| Plagiobothrys acanthocarpus | | B | adobe popcornflower, adobe allocarya |
| Plagiobothrys fulvus var. campestris | | B | field popcornflower, fulvous popcornflower |
| Plagiobothrys tenellus | | B | Pacific popcornflower, slender popcornflower |
| Plantago elongata | | B | annual coast plantain |
| Pleuropogon californicus var. californicus | | B | semaphore grass |
| Pluchea odorata var. odorata | | B | saltmarsh fleabane |
| Prunella vulgaris var. lanceolata | (var. vulgaris is more common) | B | selfheal |
| Prunus ilicifolia subsp. ilicifolia | | B | islay, holly-leafed cherry |
| Psilocarphus brevissimus var. brevissimus | | B | dwarf woollyheads, dwarf woolly-marbles |
| Quercus agrifolia | | B | coast live oak, encina |
| Quercus durata var. durata | | B | leather oak |
| Quercus garryana var. garryana | | B | Oregon oak |
| Quercus lobata | | B | valley oak, roble |
| Quercus xchasei | | B | Chase oak |
| Ranunculus occidentalis var. occidentalis | | B | western buttercup |
| Rhus aromatica | (formerly R. trilobata) | B | skunk bush, skunkbrush, squawbush |
| Rorippa curvisiliqua | | B | yellow cress |
| Rorippa palustris subsp. palustris | | B | marsh yellow-cress |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | B | willow dock |
| Rumex transitorius | | B | willow dock |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | B | western pearlwort |
| Salix gooddingii | | B | Goodding's black willow |
| Sambucus racemosa var. racemosa | | B | red elderberry |
| Scribneria bolanderi | | B | Scribner's grass |
| Scutellaria californica | | B | California skullcap |
| Sedum spathulifolium | | B | broadleaf stonecrop, Pacific stonecrop |
| Selaginella bigelovii | | B | spike-moss |
| Sesuvium verrucosum | | B | western sea-purslane, sea-purslane |
| Setaria parviflora | | B | knotroot bristle grass, perennial foxtail |
| Silene laciniata subsp. californica | (formerly Silene c.) | B | Indian pink, California pink, California Indian pink |
| Spartina foliosa | | B | California cord grass |
| Stachys albens | | B | white hedge nettle |
| Streptanthus glandulosus subsp. glandulosus | | B | jewelflower |
| Stylocline gnaphaloides | | B | everlasting neststraw, nest-straw |
| Suaeda nigra | (formerly S. moquinii) | B | bush seepweed |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | B | slim aster |
| Thysanocarpus laciniatus | | B | lacepod |
| Tonella tenella | | B | small-flowered tonella |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | B | dwarf sack clover |
| Trifolium fucatum | | B | bull clover |
| Trifolium obtusiflorum | | B | clammy clover, creek clover |
| Triglochin striata | (T. maritima is more common) | B | three-ribbed arrow-grass |
| Triphysaria versicolor subsp. faucibarbata | | B | smooth owl's-clover |
| Tropidocarpum gracile | | B | slender tropidocarpum |
| Turritis glabra | | B | tower mustard |
| Zeltnera davyi | (formerly Centaurium d.) | B | Davy's centaury, conchalagua |